grep是一个强大的文本搜索工具,它允许用户使用正则表达式来搜索文本,并打印出匹配的行。当需要在一个文件或多个文件中查找多个模式时,可以使用grep的一些高级选项来实现。 相关优势 灵活性:grep支持正则表达式,可以构建复杂的搜索模式。 效率:grep能够快速地在大量文本数据中找到匹配的行。
sed 's/find/replace/' filename - 【重要】Replace all occurrences of an extended regular expression in a file: sed -E 's/regular_expression/replace/g' filename - 【重要】Replace all occurrences of a string [i]n a file, overwriting the file (i.e. in-place): sed -i '' 's/find/r...
之所以叫 AWK 是因为其取了三位创始人 Alfred Aho,Peter Weinberger, 和 Brian Kernighan 的 Family N...
4.Command to find “ERROR” or “DEBUG” witn case insensitive in applicationLog.log file in applicationLog.log file $ grep -i ‘DEBUG\|ERROR’ applicationLog.log 5.Command to find “ERROR” or “DEBUG” in all logs files in the current folder in applicationLog.log file $ grep ‘DEBUG...
pgrep- List processes by a full or partial name. awk- Find and Replace text within file(s). mdfind- Spotlight search. tr- Translate, squeeze, and/or delete characters. Equivalent PowerShell command:Select-String- Select lines matching a pattern....
There are four actions to be taken, including removing null-bytes, replacing replace multiple spaces with single space , and eliminating leading and trailing spaces, where two actions are for the latter. Solution 2: Utilizing GNU awk enables the recognition of multi-character RS, RT alongside the...
Linux grep -rl matchstring somedir/ | xargs sed -i 's/string1/string2/g' MacOS grep -rl matchstring somedir/ | xargs sed -i '' 's/string1/string2/g' @see http://stackoverflow.com/a/4247319 Source: http://vasir.net/blog/ubuntu/replace_string_in_multiple_files...
2. Grep Command Example on how to search for specific text in all filesSearch for all PHP files containing ‘str_replace’ text inside the ‘wp-admin’ directory of a WordPress installation:# # grep "str_replace" admin*.php admin-ajax.php: add_action( 'wp_ajax_' . $_GET['action']...
To search for a string in multiple files usegrep “string” file1 file2 Case insensitive search: grep -i “string” filename In the above example, you might have noticed that our command did not return the last line. This is because the word “linux” was in a small case. ...
Search Multiple Files Search All Files in Directory Search for a String in Files with Specific Extensions Find Whole Words Only Search Subdirectories Show Lines That Exactly Match a Search String List Names of Matching Files Count Number of Matches Show Only the Matched Part of the Line Search ...